Mathematics, 16.04.2021 04:50 breezer20042
13) Mark scored 78, 79, 80, 81, 72, 79, 87, 78, 75, 77 on his first ten tests in Math.
What must he make on his 11th test to have an average of 80%?
a)93
b)94
c)95
d)96
Answers: 3
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13) Mark scored 78, 79, 80, 81, 72, 79, 87, 78, 75, 77 on his first ten tests in Math.
What must he...
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